% convert the values of the label from pixeis to coordinates; input 1 is
% the values of x and input 2 is the factor of conversion
function [output] = convertx (input1, input2 )
xlab = [];
nx = size (input1,2);
for i=1:nx
    xlabcon = input1(i) * input2(i);
    ax = xlabcon;
    xlab = [xlab ax];
end
output = xlab;
end